Rail transit wireless communication type intelligent manual operation box control system

Abstract

The utility model discloses a rail transit wireless communication type intelligent manual operation box control system which comprises a wireless communication type intelligent manual operation box, an AP indoor wireless access point, a POE switch, an AC controller, a Modbus-TCP gateway, an environmental control electric control room control cabinet PLC, an Ethernet I / O module, an equipment control loop hard contact, a secondary loop of a drawer cabinet and the like. Wherein one branch of the control cabinet PLC of the environmental control electric control room is connected with a secondary loop of a control drawer cabinet, and the other branch is sequentially connected with the Ethernet I / O module and the equipment control loop hard contact. The utility model has the advantages that while the functions of the traditional manual operation box are provided, the laying of a control cable between the traditional manual operation box and a control loop is omitted, the field pipeline laying space is effectively reduced, the system debugging time is greatly saved, and the rail transit construction project can be better served.

Description

Technical Field

[0001] The utility model relates to the technical field of rail communication control, in particular to a rail transit wireless communication type intelligent hand-operated box control system. Background Art

[0002] As the name implies, the hand operation box is a control box used for local operation or debugging of the environmental control equipment in the machine room, and is generally placed near the controlled equipment. At present, there are two solutions used in the rail transit market: traditional hand operation boxes and intelligent hand operation boxes. The traditional hand operation box connects the switches, buttons, indicator lights and other components in the box to the control circuit of the environmental control equipment through control cables to achieve the local control and display functions of the equipment; the intelligent hand operation box is equipped with an intelligent control unit in the hand operation box, and uses the communication bus to complete the information exchange between the hand operation box and the control system of the environmental control electric control room to achieve the local control and display functions of the equipment.

[0003] According to the survey, Xiamen Line 1, Shenzhen Line 11, Shenzhen Line 2 Phase III, Ningbo Line 5, Fuzhou Line 5 and other urban rail transit lines all use intelligent hand-operated boxes. The solution is also one-to-one control of the hand-operated box and the equipment. The number of on-site hand-operated boxes has not decreased, but the traditional hand-operated box radial hard wiring method has been changed to a communication bus hand-in-hand wiring method. Compared with the traditional solution, the control cables are relatively reduced, but the number of hand-operated boxes and the installation workload have not improved much, and the degree of intelligence is obviously not high. With the continuous development of digital technology, it is very necessary to further study "one control multiple" or wireless communication type intelligent hand-operated boxes in urban rail transit construction. Summary of the invention

[0004] The purpose of the utility model is to provide a rail transit wireless communication type intelligent hand-operated box control system in accordance with the above-mentioned deficiencies of the prior art. The intelligent hand-operated box control system replaces the traditional hand-operated box with a tablet computer, and connects with the control cabinet PLC in the environmental control electric control room by building a wireless network, or connects with the hard contact of the equipment control circuit after conversion by an Ethernet I / O module, thereby eliminating the need for laying control cables between the hand-operated box and the control circuit in the traditional way.

[0005] The purpose of this utility model is achieved by the following technical solutions:

[0006] A rail transit wireless communication type intelligent hand-operated box control system, characterized in that the intelligent hand-operated box control system includes a wireless communication type intelligent hand-operated box, an AP indoor wireless access point, a POE switch, an AC controller, a Modbus-TCP gateway, an environmental control electric control room control cabinet PLC, an Ethernet I / O module, equipment hard contacts and a motor protector; wherein the wireless communication type intelligent hand-operated box is wirelessly connected to the AP indoor wireless access point, and the AP indoor wireless access point, the POE switch, the AC controller, the Modbus-TCP gateway and the environmental control electric control room control cabinet PLC are connected in sequence by wired communication; one branch of the environmental control electric control room control cabinet PLC is connected to the secondary circuit of the control drawer cabinet, and the other branch is connected in sequence to the Ethernet I / O module and the equipment control circuit hard contacts.

[0007] The wireless communication type intelligent hand-held operation box is a tablet computer.

[0008] The control cabinet PLC in the environmental control electric control room is connected to control various fans and air valve equipment located in the subway station.

[0009] The control cabinet PLC in the environmental control electric control room is connected to the hard connection point of the equipment control circuit through the Ethernet I / O module to achieve control.

[0010] The advantages of the utility model are: while having the functions of a traditional hand operation box, it eliminates the need for laying control cables between the traditional hand operation box and the control circuit, effectively reduces the space for laying on-site pipelines, greatly saves system debugging time, and saves overall investment. After practical testing, the effect is good and can better serve rail transit construction projects. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a schematic diagram of the wireless communication type intelligent hand-operated box control system for rail transit in the utility model. DETAILED DESCRIPTION

[0012] The features of the present invention and other related features are further described in detail below through embodiments in conjunction with the accompanying drawings to facilitate understanding by technicians in the same industry:

[0013] Example: Figure 1 As shown, the present embodiment specifically relates to a rail transit wireless communication type intelligent hand-operated box control system, which includes a wireless communication type intelligent hand-operated box, an AP indoor wireless access point, a POE switch, an AC controller, a Modbus-TCP gateway, an environmental control electric control room control cabinet PLC, an Ethernet I / O module, a device hard contact, and a motor protector, etc.

[0014] like Figure 1As shown in the figure, the wireless communication type intelligent hand operation box adopts an intelligent tablet and eliminates all traditional hard wiring. The wireless communication type intelligent hand operation box has its own wireless network function, which can be connected to the AP indoor wireless access point by wireless communication. With its own control system, it can realize the established control function, obtain the status information of the equipment in real time, support touch operation, and provide a friendly user interface. It has a certain anti-interference ability.

[0015] like Figure 1 As shown, the AP indoor wireless access point, POE switch, AC controller, Modbus-TCP gateway and the control cabinet PLC in the environmental control electric control room are connected in wired communication in sequence.

[0016] like Figure 1 As shown in the figure, the function of the AP indoor wireless access point is to transmit wireless signals and provide wireless WiFi network for mobile phones, tablets and smart devices.

[0017] like Figure 1 As shown, the main function of the POE switch is data transmission and AP networking.

[0018] like Figure 1 As shown in the figure, the AC controller is a network hardware device that is mainly responsible for managing the AP indoor wireless access points in the wireless network in a certain area. The AC controller can be understood as the housekeeper of the AP indoor wireless access point, which is used to issue configurations to different AP indoor wireless access points, modify configurations, perform RF intelligent management, user access control, and many other functions such as the authentication system.

[0019] like Figure 1 As shown in the figure, the Modbus-TCP gateway is a device that converts the Modbus protocol (Modbus RTU) to the ModbusTCP protocol. It can connect traditional serial devices (such as PLC, sensors, controllers, etc.) to computers or other network devices through Ethernet to achieve remote monitoring and control. That is, the Modbus-TCP gateway connects the PLC of the control cabinet in the environmental control electric control room to the wireless communication type intelligent hand operation box through Ethernet.

[0020] like Figure 1 As shown in the figure, the PLC in the control cabinet of the environmental control room is the key point for each controlled device to access the network. One branch of the PLC in the control cabinet of the environmental control room is connected to the secondary circuit of the drawer cabinet (motor protector), and the other branch is connected to the Ethernet I / O module and the hard connection point of the equipment control circuit in sequence.

[0021] Among them, the function of the motor protector is to provide comprehensive protection and control for the motor, and to give an alarm or protection control when the motor has overcurrent, undercurrent, phase failure, stall, short circuit, overvoltage, undervoltage, leakage, three-phase imbalance, overheating, grounding, bearing wear, stator and rotor eccentricity, and winding aging. In this embodiment, the fan and the like that have been controlled by the motor protector can directly access the network through the communication port of the motor protector and the control cabinet PLC of the environmental control electric control room. For some air valves and damper equipment, the equipment body only has equipment hard contacts (hard wiring terminals) and does not have a communication port for access to the network. Such equipment requires on-site configuration of Ethernet I / O modules to transfer the equipment hard contacts through the Ethernet I / O modules to enable the equipment to access the network.

[0022] The beneficial effects of this embodiment are: while having the functions of a traditional hand operation box, it eliminates the need for laying control cables between the traditional hand operation box and the control loop, effectively reduces the space for laying on-site pipelines, greatly saves system debugging time, and saves overall investment. After practical testing, the effect is good and can better serve rail transit construction projects.

Claims

1. A rail transit wireless communication type intelligent hand control box control system, characterized in that The intelligent hand-operated box control system includes a wireless communication type intelligent hand-operated box, an AP indoor wireless access point, a POE switch, an AC controller, a Modbus-TCP gateway, an environmental control electric control room control cabinet PLC, an Ethernet I / O module, a device control circuit hard contact and a motor protector; wherein the wireless communication type intelligent hand-operated box is wirelessly connected to the AP indoor wireless access point, and the AP indoor wireless access point, the POE switch, the AC controller, the Modbus-TCP gateway and the environmental control electric control room control cabinet PLC are connected in sequence by wired communication; one branch of the environmental control electric control room control cabinet PLC is connected to the secondary circuit of the control drawer cabinet, and the other branch is connected in sequence to the Ethernet I / O module and the device control circuit hard contact.

2. According to claim 1, a rail transit wireless communication type intelligent hand-operated box control system is characterized in that The wireless communication type intelligent hand-held operation box is a tablet computer.

3. According to claim 1, a rail transit wireless communication type intelligent hand-operated box control system is characterized in that The control cabinet PLC in the environmental control electric control room is connected to control various fans and air valve equipment located in the subway station.

4. A rail transit wireless communication type intelligent hand-operated box control system according to claim 1, characterized in that The control cabinet PLC in the environmental control electric control room is connected to the hard connection point of the equipment control circuit through the Ethernet I / O module to achieve control.

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